Grey seal (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Grey seal" in English language version.

refsWebsite

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22doi.org

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9harvard.edu

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8nih.gov

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3worldcat.org

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3books.google.com

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3web.archive.org

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3semanticscholar.org

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2jstor.org

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2researchgate.net

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2noaa.gov

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1iucnredlist.org

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1bucknell.edu

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1discoverwildlife.com

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1rspb.org.uk

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1dur.ac.uk

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1nordseewolf.de

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1cdnsciencepub.com

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1dal.ca

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1ices.dk

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1ifremer.fr

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1bbc.co.uk

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1askaboutireland.ie

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1newscientist.com

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1aquaticmammalsjournal.org

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1bbc.com

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1nytimes.com

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1cbc.ca

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1friendsofhorseyseals.co.uk

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1boston.com

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1helcom.fi

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aquaticmammalsjournal.org

Bishop, A. M. (2016). "Cannibalism by a male grey seal (Halichoerus grypus) in the North Sea Cannibalism by a male grey seal (Halichoerus grypus) in the North Sea". Aquatic Mammals. 42 (2): 137–143. doi:10.1578/AM.42.2.2016.137.

askaboutireland.ie

"The Grey Seal". Ask about Ireland. Retrieved 20 November 2011.

bbc.co.uk

"Grey seal". Wales Nature & Outdoors. BBC Wales. 25 February 2011. Retrieved 20 November 2011.

bbc.com

"Autumn spectacle: grey seal colonies". BBC Earth. 10 October 2014. Retrieved 3 January 2015.

books.google.com

Working Party on Marine Mammals (1978). Mammals in the Seas, Volume 4. Rome: Food & Agriculture Org. p. 257. ISBN 9251005141.
Hall, Ailsa; Thompson, David (2009). "Grey Seal (Halichoerus gryphus)". In Perrin, W. F.; Würsig, B.; Thewissen, J. G. M. (eds.). Encyclopedia of marine mammals. Academic Press. pp. 500–502. ISBN 9780080919935.
Savenkoff, Claude; Morissette, Lyne; Castonguay, Martin; Swain, Douglas P.; Hammill, Mike O.; Chabot, Denis; Hanson, J. Mark (2008). "Interactions between Marine Mammals and Fisheries: Implications for Cod Recovery". In Chen, Junying; Guo, Chuguang (eds.). Ecosystem Ecology Research Trends. Nova Science Publishers. p. 130. ISBN 978-1-60456-183-8.

boston.com

Daley, Beth (3 October 2009). "Once again, coastal waters getting seals' approval". The Boston Globe.

bucknell.edu

departments.bucknell.edu

Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494.

cbc.ca

"Plan to cull 70,000 grey seals gets Senate panel's approval". CBC News. Newfoundland & Labrador. 23 October 2012.

cdnsciencepub.com

Brodie, Paul; Beck, Brian (1983). "Predation by Sharks on the Grey Seal (Halichoerus grypus) in Eastern Canada". Canadian Journal of Fisheries and Aquatic Sciences. 40 (3): 267–271. Bibcode:1983CJFAS..40..267B. doi:10.1139/f83-040.

dal.ca

ojs.library.dal.ca

Lucas, Z. N.; Natanson, L. J. (2010). "Two shark species involved in predation on seals at Sable Island, Nova Scotia, Canada". Proceedings of the Nova Scotian Institute of Science. 45 (2): 64–88. doi:10.15273/pnsis.v45i2.3987 (inactive 1 November 2024).{{cite journal}}: CS1 maint: DOI inactive as of November 2024 (link)

discoverwildlife.com

"How to identify British seals". BBC Wildlife. Archived from the original on 4 September 2018. Retrieved 23 October 2015.

doi.org

Bowen, D. (2016). "Halichoerus grypus". IUCN Red List of Threatened Species. 2016: e.T9660A45226042. doi:10.2305/IUCN.UK.2016-1.RLTS.T9660A45226042.en. Retrieved 19 November 2021.
Olsen, Morten Tange; Galatius, Anders; Biard, Vincent; Gregersen, Kristian; Kinze, Carl Christian (April 2016). "The forgotten type specimen of the grey seal [Halichoerus grypus (Fabricius, 1791)] from the island of Amager, Denmark". Zoological Journal of the Linnean Society. 178 (3): 713–720. doi:10.1111/zoj.12426.
Boskovic, R.; et al. (1996). "Geographic distribution of mitochondrial DNA haplotypes in grey seals (Halichoerus grypus)". Canadian Journal of Zoology. 74 (10): 1787–1796. Bibcode:1996CaJZ...74.1787B. doi:10.1139/z96-199.
Lidgard, D. C.; Boness, D. J.; Bowen, W. D. (2001). "A novel mobile approach to investigating mating tactics in male grey seals (Halichoerus grypus)". Journal of Zoology. 255 (3): 313–320. doi:10.1017/S0952836901001418. hdl:10088/343.
Baker, S. R.; Barrette, C.; Hammill, M. O. (1995). "Mass transfer during lactation of an ice-breeding pinniped, the grey seal (Halichoerus grypus), in Nova Scotia, Canada". Journal of Zoology. 236 (4): 531–542. doi:10.1111/j.1469-7998.1995.tb02730.x.
Stewart, J.E.; et al. (2014). "Finescale ecological niche modeling provides evidence that lactating grey seals (Halichoerus grypus) prefer access to fresh water in order to drink" (PDF). Marine Mammal Science. 30 (4): 1456–1472. Bibcode:2014MMamS..30.1456S. doi:10.1111/mms.12126.
Waters, Joseph H. (February 1967). "Gray Seal Remains from Southern New England Archeological Sites". Journal of Mammalogy. 48 (1): 139–141. doi:10.2307/1378182. JSTOR 137818.
Brodie, Paul; Beck, Brian (1983). "Predation by Sharks on the Grey Seal (Halichoerus grypus) in Eastern Canada". Canadian Journal of Fisheries and Aquatic Sciences. 40 (3): 267–271. Bibcode:1983CJFAS..40..267B. doi:10.1139/f83-040.
Lucas, Z. N.; Natanson, L. J. (2010). "Two shark species involved in predation on seals at Sable Island, Nova Scotia, Canada". Proceedings of the Nova Scotian Institute of Science. 45 (2): 64–88. doi:10.15273/pnsis.v45i2.3987 (inactive 1 November 2024).{{cite journal}}: CS1 maint: DOI inactive as of November 2024 (link)
Karlson, A.M.; Gorokhova, E.; Gårdmark, A.; Pekcan-Hekim, Z.; Casini, M.; Albertsson, J.; Sundelin, B.; Karlsson, O.; Bergström, L. (2020). "Linking consumer physiological status to food-web structure and prey food value in the Baltic Sea". Ambio. 49 (2): 391–406. Bibcode:2020Ambio..49..391K. doi:10.1007/s13280-019-01201-1. PMC 6965491. PMID 31168701.
Ridoux, Vincent; Spitz, J.; Vincent, Cecile; Walton, M. J. (2007). "Grey seal diet at the southern limit of its European distribution: combining dietary analyses and fatty acid profiles" (PDF). Journal of the Marine Biological Association of the United Kingdom. 87 (1): 255–264. Bibcode:2007JMBUK..87..255R. doi:10.1017/S002531540705463X. S2CID 55465507. Retrieved 24 January 2017.
Leopold, Mardik F.; Begeman, Lineke; van Bleijswijk, Judith D. L.; IJsseldijk, Lonneke L.; Witte, Harry J.; Gröne, Andrea (2014). "Exposing the grey seal as a major predator of harbour porpoises". Proceedings of the Royal Society. 282 (1798): 20142429. doi:10.1098/rspb.2014.2429. PMC 4262184. PMID 25429021.
van Neer, Abbo; Jensen, Lasse F.; Siebert, Ursula (2015). "Grey seal (Halichoerus grypus) predation on harbour seals (Phoca vitulina) on the island of Helgoland, Germany". Journal of Sea Research. 97: 1–4. Bibcode:2015JSR....97....1V. doi:10.1016/j.seares.2014.11.006.
Bishop, A. M. (2016). "Cannibalism by a male grey seal (Halichoerus grypus) in the North Sea Cannibalism by a male grey seal (Halichoerus grypus) in the North Sea". Aquatic Mammals. 42 (2): 137–143. doi:10.1578/AM.42.2.2016.137.
Bubac, Christine M.; Coltman, David W.; Don Bowen, W.; Lidgard, Damian C.; Lang, Shelley L. C.; den Heyer, Cornelia E. (June 2018). "Repeatability and reproductive consequences of boldness in female gray seals". Behavioral Ecology and Sociobiology. 72 (6): 100. Bibcode:2018BEcoS..72..100B. doi:10.1007/s00265-018-2515-5. ISSN 0340-5443. S2CID 46975859.
Bowen, William D.; Heyer, Cornelia E. den; McMillan, Jim I.; Iverson, Sara J. (1 April 2015). "Offspring size at weaning affects survival to recruitment and reproductive performance of primiparous gray seals". Ecology and Evolution. 5 (7): 1412–1424. Bibcode:2015EcoEv...5.1412B. doi:10.1002/ece3.1450. ISSN 2045-7758. PMC 4395171. PMID 25897381.
Ailsa j, Hall; Bernie j, Mcconnell; Richard j, Barker (2008). "Factors affecting first-year survival in grey seals and their implications for life history strategy". Journal of Animal Ecology. 70: 138–149. doi:10.1111/j.1365-2656.2001.00468.x.
Baker, J. R. (1984). "Mortality and morbidity in Grey seal pups (Halichoerus grypus). Studies on its causes, effects on the environment, the nature and sources of infectious agents, and the immunological status of pups". Journal of Zoology. 203: 23–48. doi:10.1111/j.1469-7998.1984.tb06042.x.
Wilson, Susan C. (1975). "Attempted Mating between a Male Grey Seal and Female Harbor Seals". Journal of Mammalogy. 56 (2): 531–534. doi:10.2307/1379389. JSTOR 1379389.
Rohner, Simon (2020). "Male grey seal commits fatal sexual interaction with adult female harbour seals in the German Wadden Sea". Scientific Reports. 10 (1): 13679. doi:10.1038/s41598-020-69986-w. PMC 7426965. PMID 32792537.
Barbara Lelli; David E. Harris & AbouEl-Makarim Aboueissa (2009). "Seal Bounties in Maine and Massachusetts, 1888 to 1962". Northeastern Naturalist. 16 (2): 239–254. doi:10.1656/045.016.0206. S2CID 85652019.
Wood, S.A.; Frasier, T.R.; McLeod, B.A.; Gilbert, J.R.; White, B.N.; Bowen, W.D.; Hammill, M.O.; Waring, G.T.; Brault, S. (2011). "The genetics of recolonization: an analysis of the stock structure of grey seals (Halichoerus grypus) in the northwest Atlantic". Canadian Journal of Zoology. 89 (6): 490–497. Bibcode:2011CaJZ...89..490W. doi:10.1139/z11-012.

dur.ac.uk

dro.dur.ac.uk

Stewart, J.E.; et al. (2014). "Finescale ecological niche modeling provides evidence that lactating grey seals (Halichoerus grypus) prefer access to fresh water in order to drink" (PDF). Marine Mammal Science. 30 (4): 1456–1472. Bibcode:2014MMamS..30.1456S. doi:10.1111/mms.12126.

friendsofhorseyseals.co.uk

"Homepage". Friends of Horsey Seals. Retrieved 19 March 2021.

google.com

Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494.

handle.net

hdl.handle.net

Lidgard, D. C.; Boness, D. J.; Bowen, W. D. (2001). "A novel mobile approach to investigating mating tactics in male grey seals (Halichoerus grypus)". Journal of Zoology. 255 (3): 313–320. doi:10.1017/S0952836901001418. hdl:10088/343.

harvard.edu

ui.adsabs.harvard.edu

Boskovic, R.; et al. (1996). "Geographic distribution of mitochondrial DNA haplotypes in grey seals (Halichoerus grypus)". Canadian Journal of Zoology. 74 (10): 1787–1796. Bibcode:1996CaJZ...74.1787B. doi:10.1139/z96-199.
Stewart, J.E.; et al. (2014). "Finescale ecological niche modeling provides evidence that lactating grey seals (Halichoerus grypus) prefer access to fresh water in order to drink" (PDF). Marine Mammal Science. 30 (4): 1456–1472. Bibcode:2014MMamS..30.1456S. doi:10.1111/mms.12126.
Brodie, Paul; Beck, Brian (1983). "Predation by Sharks on the Grey Seal (Halichoerus grypus) in Eastern Canada". Canadian Journal of Fisheries and Aquatic Sciences. 40 (3): 267–271. Bibcode:1983CJFAS..40..267B. doi:10.1139/f83-040.
Karlson, A.M.; Gorokhova, E.; Gårdmark, A.; Pekcan-Hekim, Z.; Casini, M.; Albertsson, J.; Sundelin, B.; Karlsson, O.; Bergström, L. (2020). "Linking consumer physiological status to food-web structure and prey food value in the Baltic Sea". Ambio. 49 (2): 391–406. Bibcode:2020Ambio..49..391K. doi:10.1007/s13280-019-01201-1. PMC 6965491. PMID 31168701.
Ridoux, Vincent; Spitz, J.; Vincent, Cecile; Walton, M. J. (2007). "Grey seal diet at the southern limit of its European distribution: combining dietary analyses and fatty acid profiles" (PDF). Journal of the Marine Biological Association of the United Kingdom. 87 (1): 255–264. Bibcode:2007JMBUK..87..255R. doi:10.1017/S002531540705463X. S2CID 55465507. Retrieved 24 January 2017.
van Neer, Abbo; Jensen, Lasse F.; Siebert, Ursula (2015). "Grey seal (Halichoerus grypus) predation on harbour seals (Phoca vitulina) on the island of Helgoland, Germany". Journal of Sea Research. 97: 1–4. Bibcode:2015JSR....97....1V. doi:10.1016/j.seares.2014.11.006.
Bubac, Christine M.; Coltman, David W.; Don Bowen, W.; Lidgard, Damian C.; Lang, Shelley L. C.; den Heyer, Cornelia E. (June 2018). "Repeatability and reproductive consequences of boldness in female gray seals". Behavioral Ecology and Sociobiology. 72 (6): 100. Bibcode:2018BEcoS..72..100B. doi:10.1007/s00265-018-2515-5. ISSN 0340-5443. S2CID 46975859.
Bowen, William D.; Heyer, Cornelia E. den; McMillan, Jim I.; Iverson, Sara J. (1 April 2015). "Offspring size at weaning affects survival to recruitment and reproductive performance of primiparous gray seals". Ecology and Evolution. 5 (7): 1412–1424. Bibcode:2015EcoEv...5.1412B. doi:10.1002/ece3.1450. ISSN 2045-7758. PMC 4395171. PMID 25897381.
Wood, S.A.; Frasier, T.R.; McLeod, B.A.; Gilbert, J.R.; White, B.N.; Bowen, W.D.; Hammill, M.O.; Waring, G.T.; Brault, S. (2011). "The genetics of recolonization: an analysis of the stock structure of grey seals (Halichoerus grypus) in the northwest Atlantic". Canadian Journal of Zoology. 89 (6): 490–497. Bibcode:2011CaJZ...89..490W. doi:10.1139/z11-012.

helcom.fi

Bäcklin, Britt-Marie; Moraeus, Charlotta; Kunnasranta, Mervi; Isomursu, Marja (2 September 2011). "Health Assessment in the Baltic grey seal (Halichoerus grypus)". HELCOM Indicator Fact Sheets 2011. HELCOM. Archived from the original on 3 November 2011.

ices.dk

Stenman, Olavi (2007). "How does hunting grey seals (Halichoerus grypus) on Bothnian Bay spring ice influence the structure of seal and fish stocks?" (PDF). International Council for the Exploration of the Sea. Retrieved 23 January 2017. Analysis of fish otolithes and other hard particles in the alimentary tract showed clearly that the herring (Clupea harengus) was the most important item of prey.

ifremer.fr

archimer.ifremer.fr

Ridoux, Vincent; Spitz, J.; Vincent, Cecile; Walton, M. J. (2007). "Grey seal diet at the southern limit of its European distribution: combining dietary analyses and fatty acid profiles" (PDF). Journal of the Marine Biological Association of the United Kingdom. 87 (1): 255–264. Bibcode:2007JMBUK..87..255R. doi:10.1017/S002531540705463X. S2CID 55465507. Retrieved 24 January 2017.

iucnredlist.org

Bowen, D. (2016). "Halichoerus grypus". IUCN Red List of Threatened Species. 2016: e.T9660A45226042. doi:10.2305/IUCN.UK.2016-1.RLTS.T9660A45226042.en. Retrieved 19 November 2021.

jstor.org

Waters, Joseph H. (February 1967). "Gray Seal Remains from Southern New England Archeological Sites". Journal of Mammalogy. 48 (1): 139–141. doi:10.2307/1378182. JSTOR 137818.
Wilson, Susan C. (1975). "Attempted Mating between a Male Grey Seal and Female Harbor Seals". Journal of Mammalogy. 56 (2): 531–534. doi:10.2307/1379389. JSTOR 1379389.

newscientist.com

Gabbatiss, Josh (15 February 2016). "First video footage of seal drowning and eating a pup". New Scientist.

nih.gov

ncbi.nlm.nih.gov

Karlson, A.M.; Gorokhova, E.; Gårdmark, A.; Pekcan-Hekim, Z.; Casini, M.; Albertsson, J.; Sundelin, B.; Karlsson, O.; Bergström, L. (2020). "Linking consumer physiological status to food-web structure and prey food value in the Baltic Sea". Ambio. 49 (2): 391–406. Bibcode:2020Ambio..49..391K. doi:10.1007/s13280-019-01201-1. PMC 6965491. PMID 31168701.
Leopold, Mardik F.; Begeman, Lineke; van Bleijswijk, Judith D. L.; IJsseldijk, Lonneke L.; Witte, Harry J.; Gröne, Andrea (2014). "Exposing the grey seal as a major predator of harbour porpoises". Proceedings of the Royal Society. 282 (1798): 20142429. doi:10.1098/rspb.2014.2429. PMC 4262184. PMID 25429021.
Bowen, William D.; Heyer, Cornelia E. den; McMillan, Jim I.; Iverson, Sara J. (1 April 2015). "Offspring size at weaning affects survival to recruitment and reproductive performance of primiparous gray seals". Ecology and Evolution. 5 (7): 1412–1424. Bibcode:2015EcoEv...5.1412B. doi:10.1002/ece3.1450. ISSN 2045-7758. PMC 4395171. PMID 25897381.
Rohner, Simon (2020). "Male grey seal commits fatal sexual interaction with adult female harbour seals in the German Wadden Sea". Scientific Reports. 10 (1): 13679. doi:10.1038/s41598-020-69986-w. PMC 7426965. PMID 32792537.

pubmed.ncbi.nlm.nih.gov

Karlson, A.M.; Gorokhova, E.; Gårdmark, A.; Pekcan-Hekim, Z.; Casini, M.; Albertsson, J.; Sundelin, B.; Karlsson, O.; Bergström, L. (2020). "Linking consumer physiological status to food-web structure and prey food value in the Baltic Sea". Ambio. 49 (2): 391–406. Bibcode:2020Ambio..49..391K. doi:10.1007/s13280-019-01201-1. PMC 6965491. PMID 31168701.
Leopold, Mardik F.; Begeman, Lineke; van Bleijswijk, Judith D. L.; IJsseldijk, Lonneke L.; Witte, Harry J.; Gröne, Andrea (2014). "Exposing the grey seal as a major predator of harbour porpoises". Proceedings of the Royal Society. 282 (1798): 20142429. doi:10.1098/rspb.2014.2429. PMC 4262184. PMID 25429021.
Bowen, William D.; Heyer, Cornelia E. den; McMillan, Jim I.; Iverson, Sara J. (1 April 2015). "Offspring size at weaning affects survival to recruitment and reproductive performance of primiparous gray seals". Ecology and Evolution. 5 (7): 1412–1424. Bibcode:2015EcoEv...5.1412B. doi:10.1002/ece3.1450. ISSN 2045-7758. PMC 4395171. PMID 25897381.
Rohner, Simon (2020). "Male grey seal commits fatal sexual interaction with adult female harbour seals in the German Wadden Sea". Scientific Reports. 10 (1): 13679. doi:10.1038/s41598-020-69986-w. PMC 7426965. PMID 32792537.

noaa.gov

fisheries.noaa.gov

"Gray Seal". NOAA. 8 July 2019. Retrieved 5 January 2021.

nmfs.noaa.gov

Gray Seal (Halichoerus grypus grypus): Western North Atlantic Stock (PDF) (Report). NMFS, NOAA. April 2014. pp. 342–350. Retrieved 15 June 2015.

nordseewolf.de

Hahn, Melanie (13 January 2010). "Kegelrobben-Geburtenrekord auf Helgoland". Nordseewolf Magazin (in German). Archived from the original on 31 March 2016. Retrieved 20 November 2011.

nytimes.com

Bidggod, Jess (16 August 2013). "Thriving in Cape Cod's Waters, Gray Seals Draw Fans and Foes". The New York Times.

researchgate.net

Weir, C. R. (2002). "Killer whales (Orcinus orca) in UK waters". British Wildlife. 14 (2): 106–108.
Baker, J. R. (1984). "Mortality and morbidity in Grey seal pups (Halichoerus grypus). Studies on its causes, effects on the environment, the nature and sources of infectious agents, and the immunological status of pups". Journal of Zoology. 203: 23–48. doi:10.1111/j.1469-7998.1984.tb06042.x.

rspb.org.uk

Middleton, Kevin. "Get the lowdown on seals". RSPB. Retrieved 23 October 2015.

sciencedaily.com

"Grey seals discovered clapping underwater to communicate". ScienceDaily. Retrieved 19 March 2021.

semanticscholar.org

api.semanticscholar.org

Ridoux, Vincent; Spitz, J.; Vincent, Cecile; Walton, M. J. (2007). "Grey seal diet at the southern limit of its European distribution: combining dietary analyses and fatty acid profiles" (PDF). Journal of the Marine Biological Association of the United Kingdom. 87 (1): 255–264. Bibcode:2007JMBUK..87..255R. doi:10.1017/S002531540705463X. S2CID 55465507. Retrieved 24 January 2017.
Bubac, Christine M.; Coltman, David W.; Don Bowen, W.; Lidgard, Damian C.; Lang, Shelley L. C.; den Heyer, Cornelia E. (June 2018). "Repeatability and reproductive consequences of boldness in female gray seals". Behavioral Ecology and Sociobiology. 72 (6): 100. Bibcode:2018BEcoS..72..100B. doi:10.1007/s00265-018-2515-5. ISSN 0340-5443. S2CID 46975859.
Barbara Lelli; David E. Harris & AbouEl-Makarim Aboueissa (2009). "Seal Bounties in Maine and Massachusetts, 1888 to 1962". Northeastern Naturalist. 16 (2): 239–254. doi:10.1656/045.016.0206. S2CID 85652019.

si.edu

repository.si.edu

Lidgard, D. C.; Boness, D. J.; Bowen, W. D. (2001). "A novel mobile approach to investigating mating tactics in male grey seals (Halichoerus grypus)". Journal of Zoology. 255 (3): 313–320. doi:10.1017/S0952836901001418. hdl:10088/343.

utorontopress.com

Naughton, D. (2014). The Natural History of Canadian Mammals: Opossums and Carnivores. University of Toronto Press.

web.archive.org

"How to identify British seals". BBC Wildlife. Archived from the original on 4 September 2018. Retrieved 23 October 2015.
Hahn, Melanie (13 January 2010). "Kegelrobben-Geburtenrekord auf Helgoland". Nordseewolf Magazin (in German). Archived from the original on 31 March 2016. Retrieved 20 November 2011.
Bäcklin, Britt-Marie; Moraeus, Charlotta; Kunnasranta, Mervi; Isomursu, Marja (2 September 2011). "Health Assessment in the Baltic grey seal (Halichoerus grypus)". HELCOM Indicator Fact Sheets 2011. HELCOM. Archived from the original on 3 November 2011.

wiley.com

zslpublications.onlinelibrary.wiley.com

Baker, S. R.; Barrette, C.; Hammill, M. O. (1995). "Mass transfer during lactation of an ice-breeding pinniped, the grey seal (Halichoerus grypus), in Nova Scotia, Canada". Journal of Zoology. 236 (4): 531–542. doi:10.1111/j.1469-7998.1995.tb02730.x.

worldcat.org

search.worldcat.org

Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494.
Bubac, Christine M.; Coltman, David W.; Don Bowen, W.; Lidgard, Damian C.; Lang, Shelley L. C.; den Heyer, Cornelia E. (June 2018). "Repeatability and reproductive consequences of boldness in female gray seals". Behavioral Ecology and Sociobiology. 72 (6): 100. Bibcode:2018BEcoS..72..100B. doi:10.1007/s00265-018-2515-5. ISSN 0340-5443. S2CID 46975859.
Bowen, William D.; Heyer, Cornelia E. den; McMillan, Jim I.; Iverson, Sara J. (1 April 2015). "Offspring size at weaning affects survival to recruitment and reproductive performance of primiparous gray seals". Ecology and Evolution. 5 (7): 1412–1424. Bibcode:2015EcoEv...5.1412B. doi:10.1002/ece3.1450. ISSN 2045-7758. PMC 4395171. PMID 25897381.